Cero Hero

Cero Hero is a climate participation platform that brings proof of personhood into real-world sustainability programs. Built for the World ecosystem, the Cero Hero Mini App enables people to participate in verified climate actions while giving organizations the confidence that participation comes from real, unique humans. By combining World ID's proof of personhood with Cero Hero's climate action verification, the platform helps create trusted, privacy-preserving sustainability programs. Cero Hero's mission is to make climate participation trusted, verifiable, and rewarding, helping organizations build credible sustainability programs while demonstrating how proof of personhood can unlock meaningful real-world climate action.